Finding the Fourth Proportional to 209,952,212.60, 314,928,318.90 and 118,119,207.80
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Solution
The fourth proportional to 209,952,212.60, 314,928,318.90 and 118,119,207.80 is: 177,178,811.70
Step by Step Solution
- Step 1: Write the proportion equation
209,952,212.60 : 314,928,318.90 = 118,119,207.80 : x - Step 2: Convert to fraction form
209,952,212.60/314,928,318.90 = 118,119,207.80/x - Step 3: Cross multiply
209,952,212.60x = 314,928,318.90 × 118,119,207.80 - Step 4: Simplify right side
209,952,212.60x = 37,199,083,542,253,760 - Step 5: Solve for x
x = 37,199,083,542,253,760/209,952,212.60 - Step 6: Final answer
x = 177,178,811.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.